a+2.7=0.9

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Solution for a+2.7=0.9 equation: 


Simplifying
a + 2.7 = 0.9

Reorder the terms:
2.7 + a = 0.9

Solving
2.7 + a = 0.9

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-2.7' to each side of the equation.
2.7 + -2.7 + a = 0.9 + -2.7

Combine like terms: 2.7 + -2.7 = 0.0
0.0 + a = 0.9 + -2.7
a = 0.9 + -2.7

Combine like terms: 0.9 + -2.7 = -1.8
a = -1.8

Simplifying
a = -1.8

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